-7+9y=-19 4x-9y=10 pls help like rn fr

9y=-19+7

y=-19/9+7/9

4x-9(-19/9+7/9)=10

4x-9(-4/3)=10

multiply -9 by -4/3 to get 12

4x+12=10

4x=10-12

4x=-2

x=-1/2

if x=-1/2 then y

4(-1/2)-9y=10

-2-9y=10

-9y=12

y=-1/1/3

step-by-step explanation:

if u want da anser kill your teeser ifu hav wun

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: